Implementing Cisco IP Routing (ROUTE v2.0)

 

QUESTION 81

Refer to the exhibit. Which statement about the output of the show flow-sampler command is true?

 

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A.

The sampler matched 10 packets, each packet randomly chosen from every group of 100 packets.

B.

The sampler matched 10 packets, one packet every 100 packets.

C.

The sampler matched 10 packets, each one randomly chosen from every 100-second interval.

D.

The sampler matched 10 packets, one packet every 100 seconds.

 

Correct Answer: A

Explanation:

The sampling mode determines the algorithm that selects a subset of traffic for NetFlow processing. In the random sampling mode that Random Sampled NetFlow uses, incoming packets are randomly selected so that one out of each n sequential packets is selected on average for NetFlow processing. For example, if you set the sampling rate to 1 out of 100 packets, then NetFlow might sample the 5th, 120th, 199th, 302nd, and so on packets. This sample configuration provides NetFlow data on 1 percent of total traffic. The n value is a parameter from 1 to 65535 packets that you can configure.

Table 2 show flow-sampler Field Descriptions

Field

Description

Sampler

Name of the flow sampler

id

Unique ID of the flow sampler

packets matched

Number of packets matched for the flow sampler

mode

Flow sampling mode

sampling interval is

Flow sampling interval (in packets)

Reference:

http://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/nfstatsa.html#wp1084291

 

 

QUESTION 82

What is the result of the command ip flow-export destination 10.10.10.1 5858?

 

A.

It configures the router to export cache flow information to IP 10.10.10.1 on port UDP/5858.

B.

It configures the router to export cache flow information about flows with destination IP 10.10.10.1 and port UDP/5858.

C.

It configures the router to receive cache flow information from IP 10.10.10.1 on port UDP/5858.

D.

It configures the router to receive cache flow information about flows with destination IP 10.10.10.1 and port UDP/5858.

 

Correct Answer: A

Explanation:

To enable the exporting of information in NetFlow cache entries, use the ip flow-export destination command in global configuration mode.

Syntax Description

ip-address

IP address of the workstation to which you want to send the NetFlow information.

udp-port

UDP protocol-specific port number.

Reference:

http://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/12s_mdnf.html#wp1023091

 

 

QUESTION 83

DRAG DROP

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Correct Answer:

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QUESTION 84

DRAG DROP

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Correct Answer:

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QUESTION 85

DRAG DROP

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Correct Answer:

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QUESTION 86

DRAG DROP

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Correct Answer:

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QUESTION 87

DRAG DROP

Drag and drop question. Drag each item to its proper location.

 

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Correct Answer:

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QUESTION 88

DRAG DROP

Place the BGP commands to the proper locations.

 

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Correct Answer:

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QUESTION 89

DRAG DROP

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Correct Answer:

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QUESTION 90

DRAG DROP

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Correct Answer:

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